| // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/sys_byteorder.h" |
| |
| #include <stdint.h> |
| |
| #include "build/build_config.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| const uint16_t k16BitTestData = 0xaabb; |
| const uint16_t k16BitSwappedTestData = 0xbbaa; |
| const uint32_t k32BitTestData = 0xaabbccdd; |
| const uint32_t k32BitSwappedTestData = 0xddccbbaa; |
| const uint64_t k64BitTestData = 0xaabbccdd44332211; |
| const uint64_t k64BitSwappedTestData = 0x11223344ddccbbaa; |
| |
| } // namespace |
| |
| TEST(ByteOrderTest, ByteSwap16) { |
| uint16_t swapped = base::ByteSwap(k16BitTestData); |
| EXPECT_EQ(k16BitSwappedTestData, swapped); |
| uint16_t reswapped = base::ByteSwap(swapped); |
| EXPECT_EQ(k16BitTestData, reswapped); |
| } |
| |
| TEST(ByteOrderTest, ByteSwap32) { |
| uint32_t swapped = base::ByteSwap(k32BitTestData); |
| EXPECT_EQ(k32BitSwappedTestData, swapped); |
| uint32_t reswapped = base::ByteSwap(swapped); |
| EXPECT_EQ(k32BitTestData, reswapped); |
| } |
| |
| TEST(ByteOrderTest, ByteSwap64) { |
| uint64_t swapped = base::ByteSwap(k64BitTestData); |
| EXPECT_EQ(k64BitSwappedTestData, swapped); |
| uint64_t reswapped = base::ByteSwap(swapped); |
| EXPECT_EQ(k64BitTestData, reswapped); |
| } |
| |
| TEST(ByteOrderTest, ByteSwapUintPtrT) { |
| #if defined(ARCH_CPU_64_BITS) |
| const uintptr_t test_data = static_cast<uintptr_t>(k64BitTestData); |
| const uintptr_t swapped_test_data = |
| static_cast<uintptr_t>(k64BitSwappedTestData); |
| #elif defined(ARCH_CPU_32_BITS) |
| const uintptr_t test_data = static_cast<uintptr_t>(k32BitTestData); |
| const uintptr_t swapped_test_data = |
| static_cast<uintptr_t>(k32BitSwappedTestData); |
| #else |
| #error architecture not supported |
| #endif |
| |
| uintptr_t swapped = base::ByteSwapUintPtrT(test_data); |
| EXPECT_EQ(swapped_test_data, swapped); |
| uintptr_t reswapped = base::ByteSwapUintPtrT(swapped); |
| EXPECT_EQ(test_data, reswapped); |
| } |
| |
| TEST(ByteOrderTest, ByteSwapToLE16) { |
| uint16_t le = base::ByteSwapToLE16(k16BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k16BitTestData, le); |
| #else |
| EXPECT_EQ(k16BitSwappedTestData, le); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, ByteSwapToLE32) { |
| uint32_t le = base::ByteSwapToLE32(k32BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k32BitTestData, le); |
| #else |
| EXPECT_EQ(k32BitSwappedTestData, le); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, ByteSwapToLE64) { |
| uint64_t le = base::ByteSwapToLE64(k64BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k64BitTestData, le); |
| #else |
| EXPECT_EQ(k64BitSwappedTestData, le); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, NetToHost16) { |
| uint16_t h = base::NetToHost16(k16BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k16BitSwappedTestData, h); |
| #else |
| EXPECT_EQ(k16BitTestData, h); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, NetToHost32) { |
| uint32_t h = base::NetToHost32(k32BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k32BitSwappedTestData, h); |
| #else |
| EXPECT_EQ(k32BitTestData, h); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, NetToHost64) { |
| uint64_t h = base::NetToHost64(k64BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k64BitSwappedTestData, h); |
| #else |
| EXPECT_EQ(k64BitTestData, h); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, HostToNet16) { |
| uint16_t n = base::HostToNet16(k16BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k16BitSwappedTestData, n); |
| #else |
| EXPECT_EQ(k16BitTestData, n); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, HostToNet32) { |
| uint32_t n = base::HostToNet32(k32BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k32BitSwappedTestData, n); |
| #else |
| EXPECT_EQ(k32BitTestData, n); |
| #endif |
| } |
| |
| TEST(ByteOrderTest, HostToNet64) { |
| uint64_t n = base::HostToNet64(k64BitTestData); |
| #if defined(ARCH_CPU_LITTLE_ENDIAN) |
| EXPECT_EQ(k64BitSwappedTestData, n); |
| #else |
| EXPECT_EQ(k64BitTestData, n); |
| #endif |
| } |